Turbo Information
John B. Lunsford
JBLMk3
Asheville, NC
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TURBO INFORMATION

turbo diagram

D2 is called the "exducer" of the compressor or intake wheel.
D3 is called the "inducer".
D4 is called the "exducer" of the turbine, or exhaust wheel.
D5 is the "inducer."

On both the compressor and turbine wheels, the smaller diameter is called the "minor" and the larger is called the "major."

Compressor Turbine comp avg
Trim Inducer/  Minor Dia. Exducer/ Major Dia. Exducer/ Minor Dia. Inducer/ Major Dia. Trim
TD04-09B 50 1.365 1.930 1.550 1.860 1.6475
TD04-13G 62 1.580 2.000 1.625 1.812 1.7900
T3 35 1.396 2.367 1.8815
TB02 22 1.560 1.989 1.517 1.833 1.9015
TD04H-15C 1.638 2.165 1.743 2.028 1.9015
TD04-15G 55 1.625 2.187 1.625 1.812 1.9060
TD04H-15G 55 1.625 2.187 1.740 2.047 1.9060
Mk 4 CT-12 1.535 2.283 1.732 2.047 1.9090
T3 40 1.484 2.367 1.9255
T3 45 1.595 2.367 1.9810
TD05H-14B 55 1.695 2.285 1.930 2.200 1.9900
TD05-16G 1.814 2.223 1.911 2.184 2.0185
T3 50 1.674 2.367 2.0205
TD05H-14G 62 1.800 2.285 1.930 2.200 2.0425
TD04-17G 54 1.744 2.382 1.625 1.812 2.0630
T3 55 1.760 2.367 2.0635
TD05H-16G 60 1.830 2.365 1.930 2.200 2.0975
TD04-18T 1.625 1.812
T3 60 1.830 2.367 2.0985
GT2510 63 1.860 2.344 1.626 2.067 62 2.1020
GT2530 63 1.860 2.344 1.883 2.098 76 2.1020
T3 Super 60 1.900 2.367 2.1335
Mk 3 CT-26 1.811 2.559 2.047 2.677 2.1850
TD05H-16G 50 1.892 2.680 1.930 2.200 2.2860
TD05H-18A 50 f 1.900 2.680 1.930 2.200 2.2900
TD05-18G 1.970 2.652 1.911 2.184 2.3110
T04B S 1.904 2.750 2.3270
TD05H-18G 55 1.992 2.680 1.930 1.930 2.3360
GT2835 48 1.923 2.773 2.020 2.204 84 2.3480
TD06-20G 2.051 2.652 2.149 2.535 2.3515
TD05H-20G 60 2.070 2.680 1.930 2.200 2.3750
GTRS 52 1.997 2.773 1.833 2.098 76 2.3850
GT2835 52 1.997 2.773 2.020 2.204 84 2.3850
T04B T 5/6 2.032 2.750 2.3910
GT35 52 2.016 2.795 2.453 2.677 84 2.4055
T04E 40 1.870 2.950 2.4100
GT2835 56 2.071 2.773 2.020 2.204 84 2.4220
GT2835R 56 2.071 2.773 2.090 2.204 90 2.4220
T04B Super S 1.904 3.000 2.4520
T04B V 2.180 2.750 2.4650
T04E 46 2.003 2.950 2.4765
GT2540 46 2.016 2.972 1.833 2.098 76 2.4940
GT3037 48 2.059 2.972 2.145 2.340 84 2.5155
T04B H 2.298 2.750 2.5240
GT3037 52 2.145 2.972 2.145 2.340 84 2.5585
T04E 54 2.170 2.950 2.5600
HKS T04E 57 2.196 2.925 2.266 2.785 62 2.5605
T04E 50 2.122 3.000 2.5610
GT37 52 2.157 2.992 2.614 2.854 84 2.5745
GT35 2.157 2.997 2.453 2.677 84 2.5770
T04B Super V 2.180 3.000 2.5900
T04E 57 2.230 2.950 2.5900
GT3037 56 2.223 2.972 2.145 2.340 84 2.5975
T04E 60 2.290 2.950 2.6200
HKS T04S 60 2.301 2.972 2.523 2.894 76 2.6365
T04B Super H 2.298 3.000 2.6490
T04B 60-1 2.324 3.000 2.6620
T04B 62-1 2.441 3.000 2.7205
GT3040 50 2.262 3.198 2.145 2.340 84 2.7300
GT40 50 2.283 3.228 2.591 3.031 73 2.7555
GT3240 54 2.352 3.198 2.106 2.289 84 2.7750
GT37 2.327 3.228 2.614 2.854 84 2.7775
TS04 (T-57) 2.300 3.304 2.8020
HKS T04R 63 2.601 3.276 2.523 2.894 76 2.9385
T-61 2.382 3.544 2.9630
HKS T04R/GT63 GT63 2.626 3.307 2.547 2.921 GT76 2.9980
GT40 54 2.547 3.465 2.547 3.031 84 3.0060
T-78 GREDDY 2.598 3.543 2.559 2.913 3.0705
T-88 GREDDY 33D 2.598 3.543 2.846 3.346 3.0705
T-64 2.490 3.670 3.0800
T-66 2.580 3.584 3.0820
HKS T51 KAI 56 2.742 3.666 2.785 3.198 76 3.2040
T-88 GREDDY 34D 2.744 3.740 2.846 3.346 3.2420
T-70 2.720 3.850 ] 3.2850
T-72 2.840 4.030 3.4350
GT42 53 2.925 4.016 2.961 3.228 84 3.4705
HKS T51 SPL 56 2.984 3.986 2.785 3.198 76 3.4850
T-76 3.020 4.030 3.5250

Turbonetics Turbine Wheels
Model Trim Exducer Dia. Major Dia.
T3 Std. 1.898 2.319
Stage II 2.122 2.559
Stage III 2.229 2.559
T4 N 2.071 2.922
O 2.296 2.922
P 2.544 2.922
Q 2.693 3.111






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